/*
* BlockAdBlock 3.2.1
* Copyright (c) 2015 Valentin Allaire <valentin.allaire@sitexw.fr>
* Released under the MIT license
* https://github.com/sitexw/BlockAdBlock
*/
(function(window) {
var BlockAdBlock = function(options) {
this._options = {
checkOnLoad: false,
resetOnEnd: false,
loopCheckTime: 50,
loopMaxNumber: 5,
baitClass: 'pub_300x250 pub_300x250m pub_728x90 text-ad textAd text_ad text_ads text-ads text-ad-links',
baitStyle: 'width: 1px !important; height: 1px !important; position: absolute !important; left: -10000px !important; top: -1000px !important;',
debug: false
};
this._var = {
version: '3.2.1',
bait: null,
checking: false,
loop: null,
loopNumber: 0,
event: { detected: [], notDetected: [] }
};
if(options !== undefined) {
this.setOption(options);
}
var self = this;
var eventCallback = function() {
setTimeout(function() {
if(self._options.checkOnLoad === true) {
if(self._options.debug === true) {
self._log('onload->eventCallback', 'A check loading is launched');
}
if(self._var.bait === null) {
self._creatBait();
}
setTimeout(function() {
self.check();
}, 1);
}
}, 1);
};
if(window.addEventListener !== undefined) {
window.addEventListener('load', eventCallback, false);
} else {
window.attachEvent('onload', eventCallback);
}
};
BlockAdBlock.prototype._options = null;
BlockAdBlock.prototype._var = null;
BlockAdBlock.prototype._bait = null;
BlockAdBlock.prototype._log = function(method, message) {
console.log('[BlockAdBlock]['+method+'] '+message);
};
BlockAdBlock.prototype.setOption = function(options, value) {
if(value !== undefined) {
var key = options;
options = {};
options[key] = value;
}
for(var option in options) {
this._options[option] = options[option];
if(this._options.debug === true) {
this._log('setOption', 'The option "'+option+'" he was assigned to "'+options[option]+'"');
}
}
return this;
};
BlockAdBlock.prototype._creatBait = function() {
var bait = document.createElement('div');
bait.setAttribute('class', this._options.baitClass);
bait.setAttribute('style', this._options.baitStyle);
this._var.bait = window.document.body.appendChild(bait);
this._var.bait.offsetParent;
this._var.bait.offsetHeight;
this._var.bait.offsetLeft;
this._var.bait.offsetTop;
this._var.bait.offsetWidth;
this._var.bait.clientHeight;
this._var.bait.clientWidth;
if(this._options.debug === true) {
this._log('_creatBait', 'Bait has been created');
}
};
BlockAdBlock.prototype._destroyBait = function() {
window.document.body.removeChild(this._var.bait);
this._var.bait = null;
if(this._options.debug === true) {
this._log('_destroyBait', 'Bait has been removed');
}
};
BlockAdBlock.prototype.check = function(loop) {
if(loop === undefined) {
loop = true;
}
if(this._options.debug === true) {
this._log('check', 'An audit was requested '+(loop===true?'with a':'without')+' loop');
}
if(this._var.checking === true) {
if(this._options.debug === true) {
this._log('check', 'A check was canceled because there is already an ongoing');
}
return false;
}
this._var.checking = true;
if(this._var.bait === null) {
this._creatBait();
}
var self = this;
this._var.loopNumber = 0;
if(loop === true) {
this._var.loop = setInterval(function() {
self._checkBait(loop);
}, this._options.loopCheckTime);
}
setTimeout(function() {
self._checkBait(loop);
}, 1);
if(this._options.debug === true) {
this._log('check', 'A check is in progress ...');
}
return true;
};
BlockAdBlock.prototype._checkBait = function(loop) {
var detected = false;
if(this._var.bait === null) {
this._creatBait();
}
if(window.document.body.getAttribute('abp') !== null
|| this._var.bait.offsetParent === null
|| this._var.bait.offsetHeight == 0
|| this._var.bait.offsetLeft == 0
|| this._var.bait.offsetTop == 0
|| this._var.bait.offsetWidth == 0
|| this._var.bait.clientHeight == 0
|| this._var.bait.clientWidth == 0) {
detected = true;
}
if(window.getComputedStyle !== undefined) {
var baitTemp = window.getComputedStyle(this._var.bait, null);
if(baitTemp && (baitTemp.getPropertyValue('display') == 'none' || baitTemp.getPropertyValue('visibility') == 'hidden')) {
detected = true;
}
}
if(this._options.debug === true) {
this._log('_checkBait', 'A check ('+(this._var.loopNumber+1)+'/'+this._options.loopMaxNumber+' ~'+(1+this._var.loopNumber*this._options.loopCheckTime)+'ms) was conducted and detection is '+(detected===true?'positive':'negative'));
}
if(loop === true) {
this._var.loopNumber++;
if(this._var.loopNumber >= this._options.loopMaxNumber) {
this._stopLoop();
}
}
if(detected === true) {
this._stopLoop();
this._destroyBait();
this.emitEvent(true);
if(loop === true) {
this._var.checking = false;
}
} else if(this._var.loop === null || loop === false) {
this._destroyBait();
this.emitEvent(false);
if(loop === true) {
this._var.checking = false;
}
}
};
BlockAdBlock.prototype._stopLoop = function(detected) {
clearInterval(this._var.loop);
this._var.loop = null;
this._var.loopNumber = 0;
if(this._options.debug === true) {
this._log('_stopLoop', 'A loop has been stopped');
}
};
BlockAdBlock.prototype.emitEvent = function(detected) {
if(this._options.debug === true) {
this._log('emitEvent', 'An event with a '+(detected===true?'positive':'negative')+' detection was called');
}
var fns = this._var.event[(detected===true?'detected':'notDetected')];
for(var i in fns) {
if(this._options.debug === true) {
this._log('emitEvent', 'Call function '+(parseInt(i)+1)+'/'+fns.length);
}
if(fns.hasOwnProperty(i)) {
fns[i]();
}
}
if(this._options.resetOnEnd === true) {
this.clearEvent();
}
return this;
};
BlockAdBlock.prototype.clearEvent = function() {
this._var.event.detected = [];
this._var.event.notDetected = [];
if(this._options.debug === true) {
this._log('clearEvent', 'The event list has been cleared');
}
};
BlockAdBlock.prototype.on = function(detected, fn) {
this._var.event[(detected===true?'detected':'notDetected')].push(fn);
if(this._options.debug === true) {
this._log('on', 'A type of event "'+(detected===true?'detected':'notDetected')+'" was added');
}
return this;
};
BlockAdBlock.prototype.onDetected = function(fn) {
return this.on(true, fn);
};
BlockAdBlock.prototype.onNotDetected = function(fn) {
return this.on(false, fn);
};
window.BlockAdBlock = BlockAdBlock;
if(window.blockAdBlock === undefined) {
window.blockAdBlock = new BlockAdBlock({
checkOnLoad: true,
resetOnEnd: true
});
}
})(window);
